Uploaded May 2025 | Updated September 2026, 1 hour ago

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Jay O'Connell, Ops-Core Product Manager, runs through how to upgrade your legacy FAST SF with our upgraded LockDown Liner System. The all new LockDown Liner Kit enhances comfort, stability, and airflow in FAST helmets, making it ideal for heavy VAS and NVG setups. Featuring a universal impact and comfort liner system, Cable Occ-Dial with a conformal nape pad, and LockDown Fit shims, it ensures a secure, tailored fit for any head shape.


Learn More About the Ops-Core LockDown Liner System: shop.gentexcorp.com/ops-core-lockdown-liner-system
Learn More About Ops-Core: gentexcorp.com/ops-core